Emergency notification sign



FIG. 1 is a front perspective view of an emergency notification sign showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof, the right side elevation view being a mirror image thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines shown in the drawings illustrate portions of the emergency notification sign that form no part of the claimed design. 

CLAIM The ornamental design for an emergency notification sign, as shown and described. 